inc/db/lib-mysql3.php

   1 <?php
   2 /************************************************************************
   3  * MXChange v0.2.1                                    Start: 08/29/2004 *
   4  * ===============                              Last change: 08/29/2004 *
   5  *                                                                      *
   6  * -------------------------------------------------------------------- *
   7  * File              : lib.php                                          *
   8  * -------------------------------------------------------------------- *
   9  * Short description :                                                  *
  10  * -------------------------------------------------------------------- *
  11  * Kurzbeschreibung  :                                                  *
  12  * -------------------------------------------------------------------- *
  13  *                                                                      *
  14  * -------------------------------------------------------------------- *
  15  * Copyright (c) 2003 - 2008 by Roland Haeder                           *
  16  * For more information visit: http://www.mxchange.org                  *
  17  *                                                                      *
  18  * This program is free software; you can redistribute it and/or modify *
  19  * it under the terms of the GNU General Public License as published by *
  20  * the Free Software Foundation; either version 2 of the License, or    *
  21  * (at your option) any later version.                                  *
  22  *                                                                      *
  23  * This program is distributed in the hope that it will be useful,      *
  24  * but WITHOUT ANY WARRANTY; without even the implied warranty of       *
  25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the        *
  26  * GNU General Public License for more details.                         *
  27  *                                                                      *
  28  * You should have received a copy of the GNU General Public License    *
  29  * along with this program; if not, write to the Free Software          *
  30  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,               *
  31  * MA  02110-1301  USA                                                  *
  32  ************************************************************************/
  33
  34 // Some security stuff...
  35 if (ereg(basename(__FILE__), $_SERVER['PHP_SELF']))
  36 {
  37         $INC = substr(dirname(__FILE__), 0, strpos(dirname(__FILE__), "/inc") + 4) . "/security.php";
  38         require($INC);
  39 }
  40
  41 // SQL queries
  42 function SQL_QUERY($sql_string, $F, $L)
  43 {
  44         global $link, $CSS, $CONFIG, $OK;
  45
  46         // Run SQL command
  47         $result = @mysql_query($sql_string, $link)
  48          or ADD_FATAL($F." (".$L."):".mysql_error()."<br />
  49 ".MYSQL_QUERY_STRING."<br />
  50 ".$sql_string);
  51
  52         // Debug output
  53         //* DEBUG: */ print "Query=<em>".$sql_string."</em>, affected=<b>".SQL_AFFECTEDROWS()."</b>, numrows=<b>".SQL_NUMROWS($result)."</b><br />\n";
  54
  55         if (($CSS != "1") && ($CSS != "-1") && (DEBUG_MODE) && (DEBUG_SQL))
  56         {
  57                 //
  58                 // Debugging stuff...
  59                 //
  60                 $fp = @fopen(PATH."debug.log", 'a') or mxchange_die("Cannot write debug.log!");
  61                 if (!isset($OK)) {
  62                         // Write first entry
  63                         fwrite($fp, "Module=".$GLOBALS['module']."\n");
  64                         $OK = true;
  65                 }
  66                 fwrite($fp, $F."(LINE=".$L."|NUM=".SQL_NUMROWS($result)."|AFFECTED=".SQL_AFFECTEDROWS()."): ".str_replace('\r', '', str_replace('\n', " ", $sql_string))."\n");
  67                 fclose($fp);
  68         }
  69
  70         // Count DB hits
  71         if (!isset($CONFIG['db_hits']))
  72         {
  73                 // Count in dummy variable
  74                 $CONFIG['db_hits'] = 0;
  75         }
  76          else
  77         {
  78                 // Count to config array
  79                 $CONFIG['db_hits']++;
  80         }
  81         return $result;
  82 }
  83
  84 // SQL num rows
  85 function SQL_NUMROWS($result)
  86 {
  87         if ($result != false)
  88         {
  89                 $lines = @mysql_num_rows($result);
  90                 if (empty($lines)) $lines = "0";
  91
  92         }
  93          else
  94         {
  95                 // No resource given, no lines found!
  96                 $lines = "0";
  97         }
  98         return $lines;
  99 }
 100
 101 // SQL affected rows
 102 function SQL_AFFECTEDROWS($lnk="x", $F="dummy", $L="dummy")
 103 {
 104         global $link;
 105         // $lnk will be ignored for now!
 106         $lines = @mysql_affected_rows($link);
 107         return $lines;
 108 }
 109
 110 // SQL fetch row
 111 function SQL_FETCHROW($result)
 112 {
 113         $DATA = array();
 114         $DATA = @mysql_fetch_row($result);
 115         return $DATA;
 116 }
 117
 118 // SQL fetch array
 119 function SQL_FETCHARRAY($res=false, $nr=0, $remove_numerical=true)
 120 {
 121         // Is a result resource set?
 122         if (!$res) return false;
 123
 124         // Initialize array
 125         $row = array();
 126
 127         // Load row from database
 128         $row = @mysql_fetch_array($res);
 129
 130         // Return only arrays here
 131         if (is_array($row))
 132         {
 133                 // Shall we remove numerical data here automatically?
 134                 if ($remove_numerical)
 135                 {
 136                         // So let's remove all numerical elements to save memory!
 137                         $max = count($row);
 138                         for ($idx = 0; $idx < ($max / 2); $idx++)
 139                         {
 140                                 // Remove entry
 141                                 unset($row[$idx]);
 142                         }
 143                 }
 144
 145                 // Return row
 146                 return $row;
 147         }
 148          else
 149         {
 150                 // Return a false here...
 151                 return false;
 152         }
 153 }
 154
 155 // SQL result
 156 function SQL_RESULT($res, $row, $field)
 157 {
 158         $result = @mysql_result($res, $row, $field);
 159         return $result;
 160 }
 161 // SQL connect
 162 function SQL_CONNECT($host, $login, $password, $F, $L)
 163 {
 164         $connect = @mysql_connect($host, $login, $password) or ADD_FATAL($F." (".$L."):".mysql_error());
 165         return $connect;
 166 }
 167 // SQL select database
 168 function SQL_SELECT_DB($DB, $link, $F, $L)
 169 {
 170         $DB = @mysql_select_db($DB, $link) or ADD_FATAL($F." (".$L."):".mysql_error());
 171         return $DB;
 172 }
 173 // SQL close link
 174 function SQL_CLOSE($link, $F, $L)
 175 {
 176         global $CONFIG, $CACHE, $CFG_CACHE;
 177         if ((GET_EXT_VERSION("cache") >= "0.0.7") && (isset($CONFIG['db_hits'])) && (isset($CONFIG['cache_hits'])) && (is_object($CACHE)))
 178         {
 179                 // Update counter for db/cache
 180                 $result = SQL_QUERY_ESC("UPDATE "._MYSQL_PREFIX."_config SET db_hits=%d, cache_hits=%d WHERE config='0' LIMIT 1",
 181                         array(bigintval($CONFIG['db_hits']), bigintval($CONFIG['cache_hits'])), __FILE__, __LINE__);
 182
 183                 // Update cache here
 184                 if (GET_EXT_VERSION("cache") >= "0.1.2")
 185                 {
 186                         if ($CACHE->cache_file("config", true))
 187                         {
 188                                 // Replace data
 189                                 $CACHE->cache_replace("cache_hits", $CONFIG['cache_hits'], "0", $CFG_CACHE);
 190                                 $CACHE->cache_replace("db_hits"   , $CONFIG['db_hits']   , "0", $CFG_CACHE);
 191                         }
 192                 }
 193         }
 194
 195         // Close database link
 196         $close = @mysql_close($link) or ADD_FATAL($F." (".$L."):".mysql_error());
 197         return $close;
 198 }
 199 // SQL free result
 200 function SQL_FREERESULT($result)
 201 {
 202         $res = @mysql_free_result($result);
 203         return $res;
 204 }
 205 // SQL string escaping
 206 function SQL_QUERY_ESC($qstring, $data, $file, $line, $run=true, $strip=true)
 207 {
 208         global $link;
 209         $eval = "\$query = sprintf(\"".$qstring."\"";
 210         foreach ($data as $var)
 211         {
 212                 if (!empty($var))
 213                 {
 214                         if ($strip) {
 215                                 $eval .= ", SQL_ESCAPE(\"".strip_tags($var)."\")";
 216                         } else {
 217                                 $eval .= ", SQL_ESCAPE(\"".$var."\")";
 218                         }
 219                 }
 220                  else
 221                 {
 222                         $eval .= ", ''";
 223                 }
 224         }
 225         $eval .= ");";
 226         //
 227         // Debugging
 228         //
 229         //$fp = fopen(PATH."escape_debug.log", 'a') or mxchange_die("Cannot write debug.log!");
 230         //fwrite($fp, $file."(".$line."): ".str_replace('\r', '', str_replace('\n', " ", $eval))."\n");
 231         //fclose($fp);
 232         eval($eval);
 233         if ($run)
 234         {
 235                 // Run SQL query (default)
 236                 return SQL_QUERY($query, $file, $line);
 237         }
 238          else
 239         {
 240                 // Return secured string
 241                 return $query;
 242         }
 243 }
 244 // Get ID from last INSERT command
 245 function SQL_INSERTID()
 246 {
 247         return @mysql_insert_id();
 248 }
 249 // Escape a string for the database
 250 function SQL_ESCAPE($str)
 251 {
 252         global $link;
 253         if (!is_resource($link)) {
 254                 // Fall-back to addslashes() when there is no link
 255                 return addslashes($str);
 256         }
 257
 258         if (function_exists('mysql_real_escape_string')) {
 259                 // The new and improved version
 260                 return mysql_real_escape_string($str, $link);
 261         } elseif (function_exists('mysql_escape_string')) {
 262                 // The obsulete function
 263                 return mysql_escape_string($str, $link);
 264         } else {
 265                 // If nothing else works
 266                 return addslashes($str);
 267         }
 268 }
 269 // SELECT query string from table, columns and so on... ;-)
 270 function SQL_RESULT_FROM_ARRAY ($table, $columns, $idRow, $id) {
 271         // Prepare the SQL statement
 272         $SQL = "SELECT ".implode(", ", $columns)." FROM "._MYSQL_PREFIX."_".$table." WHERE ".$idRow."=%d LIMIT 1";
 273
 274         // Return the result
 275         return SQL_QUERY_ESC($SQL, array(bigintval($id)), __FILE__, __LINE__);
 276 }
 277 //
 278 ?>